diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/watchdog/watchdog-test.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c index 9b34b319fc91..a1391be2dc1e 100644 --- a/tools/testing/selftests/watchdog/watchdog-test.c +++ b/tools/testing/selftests/watchdog/watchdog-test.c @@ -18,8 +18,9 @@ int fd; const char v = 'V'; -static const char sopts[] = "dehp:t:"; +static const char sopts[] = "bdehp:t:"; static const struct option lopts[] = { + {"bootstatus", no_argument, NULL, 'b'}, {"disable", no_argument, NULL, 'd'}, {"enable", no_argument, NULL, 'e'}, {"help", no_argument, NULL, 'h'}, @@ -63,6 +64,7 @@ static void term(int sig) static void usage(char *progname) { printf("Usage: %s [options]\n", progname); + printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n"); printf(" -d, --disable Turn off the watchdog timer\n"); printf(" -e, --enable Turn on the watchdog timer\n"); printf(" -h, --help Print the help message\n"); @@ -79,6 +81,7 @@ int main(int argc, char *argv[]) unsigned int ping_rate = DEFAULT_PING_RATE; int ret; int c; + int oneshot = 0; setbuf(stdout, NULL); @@ -91,6 +94,16 @@ int main(int argc, char *argv[]) while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) { switch (c) { + case 'b': + flags = 0; + oneshot = 1; + ret = ioctl(fd, WDIOC_GETBOOTSTATUS, &flags); + if (!ret) + printf("Last boot is caused by: %s.\n", (flags != 0) ? + "Watchdog" : "Power-On-Reset"); + else + printf("WDIOC_GETBOOTSTATUS errno '%s'\n", strerror(errno)); + break; case 'd': flags = WDIOS_DISABLECARD; ret = ioctl(fd, WDIOC_SETOPTIONS, &flags); @@ -127,6 +140,9 @@ int main(int argc, char *argv[]) } } + if (oneshot) + goto end; + printf("Watchdog Ticking Away!\n"); signal(SIGINT, term); |